CN110752573B - Lightning rod device for broadcast television transmitting tower - Google Patents
Lightning rod device for broadcast television transmitting tower Download PDFInfo
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- CN110752573B CN110752573B CN201911060403.4A CN201911060403A CN110752573B CN 110752573 B CN110752573 B CN 110752573B CN 201911060403 A CN201911060403 A CN 201911060403A CN 110752573 B CN110752573 B CN 110752573B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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Abstract
The invention discloses a lightning rod device for a broadcast television transmitting tower, which comprises a lightning rod main body, a wind power detection device and a supporting device for supporting the lightning rod main body, wherein the lightning rod main body and a wind power detection assembly are arranged at the top of the transmitting tower, a lightning rod main body accommodating groove is formed in the lower side of the lightning rod main body on the transmitting tower, when the wind power detection device acts under the action of wind power, the wind power detection device drives the supporting device to release the lightning rod main body, and the lightning rod main body falls into the lightning rod main body accommodating groove of the transmitting tower. According to the lightning rod main body accommodating groove, the lightning rod main body accommodating groove is formed in the lower side of the lightning rod main body, when wind power reaches the design threshold value of the wind power detection device, the wind power acts on the wind power detection device, the wind power detection device acts to drive the supporting device to release the lightning rod main body, and the lightning rod main body falls into the lightning rod main body accommodating groove, so that the height of the lightning rod main body is reduced, and the influence of the wind power on the lightning rod main body is reduced.
Description
Technical Field
The invention relates to the technical field of broadcast television, in particular to a lightning rod device for a broadcast television transmitting tower.
Background
Chinese patent document No. 2018202174162 discloses a novel guanbo television transmission tower lightning rod device, and specifically discloses the following technical contents: comprises a broadcast television launching tower, a launching tower maintenance platform, a launching tower lightning rod, a lightning rod fixing seat, a fixing clamping plate and a fixing connecting plate, and particularly discloses how the lightning rod of the transmitting tower is connected with the transmitting iron tower, particularly the particularity of broadcast television transmission, the height of the lightning rod device can be set to be higher, thus avoiding lightning striking to the broadcast signal transmitting device, however, when the lightning rod device is arranged at a high height, and when the lightning rod device is in a windy weather, the moment of the wind force acting on the top end of the lightning rod device is large, the requirement on the structural strength of the connecting structure of the lightning rod device and the launch tower bracket is high, and even the risk that the lightning rod device collapses and falls to the bottom surface can occur, and because the setting is on the top of launching tower, be difficult for overhauing and maintaining, can not avoid the emergence of dangerous accident in time.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the lightning rod device for the broadcast television transmitting tower is capable of avoiding wind power influence.
In order to solve the problems, the lightning rod device comprises a lightning rod main body, a wind power detection device and a supporting device for supporting the lightning rod main body, wherein the lightning rod main body and a wind power detection assembly are arranged at the top of a launching tower, a lightning rod main body accommodating groove is formed in the lower side of the lightning rod main body on the launching tower, when the wind power detection device acts under the action of wind power, the wind power detection device drives the supporting device to release the lightning rod main body, and the lightning rod main body falls into the lightning rod main body accommodating groove of the launching tower.
Preferably, the wind power detection device comprises an outer sleeve, an ejector rod, a wind direction plate and a windward plate, wherein the outer sleeve is rotatably arranged at the top of the launching tower along the axial direction of the outer sleeve, the ejector rod is slidably arranged in the outer sleeve, a first spring is arranged between the ejector rod and the outer sleeve, when the first spring is in a natural state, the end part of the ejector rod protrudes out of the upper end of the outer sleeve, the windward plate is rotatably arranged at the top end of the outer sleeve through a U-shaped frame, the lower end of the windward plate is rotatably connected to the U-shaped frame, a reset torsion spring is arranged between the windward plate and the U-shaped frame, a first cam is fixedly arranged at the position of the lower end of the windward plate corresponding to the ejector rod, the end part of the ejector rod abuts against the first cam, when the plane of the windward plate is parallel to the axial direction of the outer sleeve, the contact point of the first cam, the wind direction board is fixed in the middle part of outer tube, just wind direction board place plane perpendicular to windward plate place plane, and one side of wind direction board is fixed to be set up on the outer tube, and when the windward plate rotated to one side of wind direction board, the contact point distance first cam of first cam and ejector pin increased gradually from the rotation center of first cam.
Preferably, the bearing device comprises a limiting sleeve for mounting a lightning rod main body, a transmission assembly for connecting a wind power detection device and a pair of oppositely arranged bearing plates, wherein the limiting sleeve is fixedly mounted at the top of a launching tower, the lower part of the lightning rod main body is arranged in the limiting sleeve, when the lightning rod main body is in a state of not falling into a lightning rod main body accommodating groove, the bottom surface of the lightning rod main body is supported on the two bearing plates, a supporting slideway is arranged on the launching tower, the two bearing plates are slidably arranged in the supporting slideway, the transmission assembly comprises a first gear, a first bevel gear, a second bevel gear and a second gear, the first gear and the first bevel gear are rotatably arranged on the launching tower through a first connecting shaft, and the second gear and the second bevel gear are rotatably arranged on the launching tower through a second connecting shaft, the lightning rod is characterized in that a first rack is arranged at the lower end of the ejector rod and meshed with a first gear, the axial direction of the first connecting shaft is perpendicular to the axial direction of the ejector rod, the axial direction of the second connecting shaft is parallel to the axial direction of the ejector rod, the first bevel gear is meshed with a second bevel gear, the second racks are arranged at the ends, far away from the lightning rod main body, of the two bearing plates, the second racks on the two bearing plates are meshed with the second gear, the two bearing plates are meshed with the two sides of the second gear respectively, and when the ejector rod moves downwards to a lower limit state, the two bearing plates move to a position where the lightning rod main body is not supported.
Preferably, the lightning rod further comprises a lifting device, the lifting device comprises two groups of lifting assemblies which are oppositely arranged, each group of lifting assemblies comprises a lifting motor, a connecting steel rope and a pair of one-way damping wheels, the lifting motor is arranged at the lower part of the lightning rod main body accommodating groove, the one-way damping wheels are arranged at the upper part of the limiting sleeve, a hoisting cylinder is arranged on an output shaft of the lifting motor, one end of the connecting steel rope is wound on the hoisting cylinder, the other end of the connecting steel rope penetrates through the space between the two one-way damping wheels and is connected to the bottom end of the lightning rod main body, the two one-way damping wheels squeeze the connecting steel rope, and when the connecting steel rope is in a release state, the steering of the two one.
Preferably, the buffer device is arranged at the lower end of the interior of the lightning rod main body accommodating groove, the buffer device comprises a buffer plate and a plurality of buffer springs arranged at the lower part of the buffer plate, and a soft buffer material is arranged at the upper part of the buffer plate.
Preferably, the lifting motor is electrically connected with a first control button, a second control button and a third control button, the first control button is arranged on the U-shaped frame, a second cam is arranged on the windward plate, when the windward plate rotates, the windward plate presses down the first control button through the second cam, the second control button is arranged at the bottom end of the lightning rod main body accommodating groove, the second control button is positioned at the lower part of the buffer plate, the third control button is arranged in the limiting sleeve, and when the first control button and the second control button are in a triggering state and the third control button is in a non-triggering state, the lifting motor is started; when the bottom end of the lightning rod main body is lifted to the upper end surface of the bearing plate, the third control button is in a triggered state, and the lifting motor is changed from a rotating state to a static state.
Preferably, the part of the bearing plate, which is in contact with the lightning rod main body, is provided with a ball plate, the ball plate is fixedly connected with the bearing plate, the ball plate is provided with a plurality of through holes, and each through hole is internally provided with a ball.
The invention has the beneficial effects that:
1. according to the lightning rod main body accommodating groove, the lightning rod main body accommodating groove is formed in the lower side of the lightning rod main body, when wind power reaches a design threshold value of the wind power detection device, the wind power acts on the wind power detection device, the wind power detection device acts to drive the supporting device to release the lightning rod main body, and the lightning rod main body falls into the lightning rod main body accommodating groove, so that the height of the lightning rod main body is reduced, and the influence of the wind power on the lightning rod main body is reduced;
2. according to the lightning rod, the two one-way damping wheels are used for extruding the connecting steel rope, one end of the connecting steel rope is connected to the lightning rod main body, and the lightning rod main body can slowly fall down when the lightning rod main body falls into the lightning rod main body accommodating groove without being supported by the supporting device, so that the lightning rod main body is prevented from impacting the lightning rod main body accommodating groove;
3. the lifting device can control the starting of the lifting motor through the combined action of the plurality of groups of control buttons after the wind power is weakened, so that the lightning rod main body is lifted to the original height, and the supporting device is reset to play a supporting role on the lightning rod main body.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of a wind detecting device;
FIG. 3 is a side view of the cam and ram;
FIG. 4 is a schematic top view of the supporting apparatus;
FIG. 5 is a schematic side view of the supporting apparatus;
FIG. 6 is a schematic view of the lifting assembly;
fig. 7 is an enlarged schematic view of a portion a of fig. 1.
Wherein: 1. the lightning rod comprises a lightning rod body, 2, a launching tower, 3, a lightning rod body accommodating groove, 4, a wind power detection device, 5, a windward plate, 6, a U-shaped frame, 7, a first cam, 8, a push rod, 9, an outer sleeve, 10, a wind direction plate, 11, a second cam, 12, a first control button, 13, a supporting slideway, 14, a first bearing plate, 15, a second bearing plate, 16, a second rack, 17, a second gear, 18, a second bevel gear, 19, a first bevel gear, 20, a first connecting shaft, 21, a first gear, 22, a first rack, 23, a ball plate, 24, a one-way damping wheel, 25, a connecting steel rope, 26, a lifting motor, 27, soft buffer materials, 28, a buffer plate, 29, a buffer spring, 30, a second control button, 31, a second connecting shaft, 32 and a limiting sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Fig. 1 is a schematic view of the overall structure of a broadcast television transmitting tower, the lightning rod device for the broadcast television transmitting tower is arranged at the top of the transmitting tower, and specifically comprises a lightning rod main body 1, a wind power detecting device 4 and a supporting device for supporting the lightning rod main body 1, the lightning rod main body and the wind power detecting component 1 are both arranged at the top of the transmitting tower 2, a lightning rod main body accommodating groove 3 is arranged on the transmitting tower at the lower side of the lightning rod main body 1, as shown in fig. 2, the wind power detecting device 4 comprises an outer sleeve 9, a mandril 8, a wind direction plate 10 and a windward plate 5, the outer sleeve 9 is rotatably arranged at the top of the transmitting tower 2 along the axial direction of the outer sleeve 9, the mandril 8 is slidably arranged in the outer sleeve 9, a first spring is arranged between the mandril 8 and the outer sleeve 9, and when the first spring is in a natural state, the end of the mandril 8 protrudes out, the windward plate 5 is rotatably arranged at the top end of the outer sleeve 9 through a U-shaped frame 6, the lower end of the windward plate 5 is rotatably connected on the U-shaped frame 6, and a reset torsion spring is arranged between the windward plate 5 and the U-shaped frame 6, a first cam 7 is fixedly arranged at the lower end of the windward plate 5 corresponding to the ejector rod 8, as shown in figure 3, the end part of the ejector rod 8 is propped against the first cam 7, when the plane of the windward plate 5 is parallel to the axial direction of the outer sleeve 9, the contact point of the first cam 7 and the mandril 8 is the smallest distance from the rotation center of the first cam 7, the wind direction plate 10 is fixed in the middle of the outer sleeve 9, and the plane of the wind direction plate 10 is vertical to the plane of the windward plate 5, one side of the wind direction plate 10 is fixedly arranged on the outer sleeve 9, when the windward plate 5 rotates to one side of the wind direction plate 10, the contact point of the first cam 7 and the jack 8 gradually increases from the rotation center of the first cam 7. As shown in fig. 4 and 5, the bearing device includes a position limiting sleeve 32 for mounting the lightning rod main body 1, a transmission assembly for connecting the wind power detection device 4, a first bearing plate 14 and a second bearing plate 15, the first bearing plate 14 is arranged opposite to the second bearing plate 15, the position limiting sleeve 32 is fixedly mounted on the top of the launching tower 2, the lower part of the lightning rod main body 1 is arranged in the position limiting sleeve 32, when the lightning rod main body 1 is in a state of not falling into the lightning rod main body accommodating groove 3, both sides of the bottom surface of the lightning rod main body 1 are respectively supported on the first bearing plate 14 and the second bearing plate 15, and in order to reduce the friction force generated when the bearing plates move relative to the lightning rod main body 1, the part of the first bearing plate 14 contacting the lightning rod main body 1 and the part of the second bearing plate 15 contacting the lightning rod main body 1 are both provided with ball plates 23, the ball plate 23 is fixedly connected with the corresponding bearing plate, a plurality of through holes are formed in the ball plate 23, and a ball is arranged in each through hole. The launching tower 2 is provided with a supporting slideway 13, the first supporting plate 14 and the second supporting plate 15 are respectively arranged in the supporting slideway 13 in a sliding manner, in order to ensure certain structural stability, two ends of the first supporting plate 14 and two ends of the second supporting plate 15 both span the two supporting slideways 13, the transmission component comprises a first gear 21, a first bevel gear 19, a second bevel gear 18 and a second gear 17, the first gear 21 and the first bevel gear 19 are both rotationally arranged on the launching tower 2 through a first connecting shaft 20, the second gear 17 and the second bevel gear 18 are both rotationally arranged on the launching tower 2 through a second connecting shaft 31, the lower end of the ejector 8 is provided with a first rack 22, the first rack 22 is meshed with the first gear 21, the axial direction of the first connecting shaft 20 is perpendicular to the axial direction of the ejector 8, the axial direction of the second connecting shaft 31 is parallel to the axial direction of the ejector 8, the first bevel gear 19 is meshed with the second bevel gear 18, the end of the first support plate 14, which is far away from the lightning rod main body 1, and the end of the second support plate 15, which is far away from the lightning rod main body 1, are both provided with second racks 16, the second racks 16 on the first support plate 14 and the second racks 16 on the second support plate 15 are both meshed with the second gear 17, and the second gears 16 of the two support plates are respectively meshed with both sides of the second gear 17, when the push rod 8 moves downwards to the lower limit state, the first support plate 14 and the second support plate 15 move to be no longer capable of supporting the lightning rod main body 1, and the lightning rod main body falls into the straight lightning rod main body accommodating groove.
In order to avoid letting lightning rod main part 1 fall into lightning rod main part holding tank 3 when, cause strong impact to lightning rod main part holding tank 3, this embodiment the inside lower extreme of lightning rod main part holding tank 3 is provided with buffer, buffer includes buffer 28 and sets up at a plurality of buffer spring 29 in buffer 28 lower part, and the upper portion of buffer 28 is provided with soft buffer 27.
In order to facilitate the return of the lightning rod body 1 to its original position when the lightning rod body 1 is dropped into the lightning rod body receiving groove 3, the embodiment further comprises a lifting means, the lifting device comprises two groups of oppositely arranged lifting components, each group of lifting components comprises a lifting motor 26, a connecting steel rope 25 and a pair of one-way damping wheels 24, the lifting motor 26 is arranged at the lower part of the lightning rod main body accommodating groove 3, the one-way damping wheels 24 are all arranged at the upper part of the limit sleeve, a winding drum is arranged on the output shaft of the lifting motor 26, one end of the connecting steel rope 25 is wound on the winding drum, the other end of the connecting steel rope 25 passes through the space between the two one-way damping wheels 24 and is connected with the bottom end of the lightning rod main body 1, the two one-way damping wheels 14 extrude the connecting steel rope 25, when the connecting steel rope 25 is in a releasing state, the steering of the two one-way damping wheels 24 is the steering with damping force. The lifting motor 26 is electrically connected with a first control button 12, a second control button 30 and a third control button, the first control button 12 is arranged on the U-shaped frame 6, a second cam 11 is arranged on the windward plate 5, when the windward plate 5 rotates, the windward plate 5 presses the first control button 12 through the second cam 11, the second control button 30 is arranged at the bottom end of the lightning rod main body accommodating groove 3, the second control button 30 is positioned at the lower part of the buffer plate 28, the third control button is arranged in the limiting sleeve, and when the first control button 12 and the second control button 30 are in a triggering state and the third control button is in a non-triggering state, the lifting motor is started; when the bottom end of the lightning rod main body is lifted to be higher than the supporting plate, the third control button is in a triggered state, and the lifting motor is changed into a static state from a rotating state.
The working principle is as follows: it can be determined through experiments how much wind force of the lightning rod main body 1 is easy to damage, and then the parameters of the first spring and the return torsion spring are selected, because the windward plate 5 mainly needs to overcome the comprehensive acting force of the first spring and the return torsion spring on the windward plate 5 when rotating, and certainly also needs to consider the friction force which needs to be overcome when relative motion occurs between the components.
When the lightning rod is in a normal state, the lower part of the lightning rod main body 1 is positioned in the limiting sleeve 32, the bottom surface of the lightning rod main body 1 is supported on the first supporting plate 14 and the second supporting plate 15, when wind power reaches a set level, the wind power acts on the wind direction plate 10, the wind direction plate 10 drives the outer sleeve 9 to rotate to a state along the wind direction, the plate surface of the windward plate 5 is opposite to the wind direction, the windward plate 5 rotates towards the direction of the wind direction plate 10 under the action of the wind power, when the windward plate 5 rotates, the first cam 7 is driven to rotate to press the ejector rod 8 downwards, the ejector rod 8 moves downwards to drive the first gear 21 to rotate through the first rack 22, the first gear 21 rotates to be reversed with the second bevel gear 18 through the first bevel gear 19 and drive the second gear 17 to rotate, the second gear 17 drives the two supporting plates to move towards two sides, and after moving to a position, the lightning rod main body 1 loses the support of, but because the lightning rod main part 1 is connected with the connecting steel rope 25, connecting steel rope 25 receives the extrusion of two one-way damping wheel 24, when lightning rod main part 1 falls, the rotation direction of individual damping wheel 24 is for having damped state, lightning rod main part 1 slowly falls into in lightning rod main part holding tank 3, make lightning rod main part 1 that the degree of depth of lightning rod main part holding tank 3 can set up fall into lightning rod main part holding tank 3 completely, also can set up and fall into in lightning rod main part holding tank 3 making the lower part of lightning rod main part 1, the height of lightning rod main part 1 has been reduced like this, the moment of wind to lightning rod main part 1 production has been reduced.
When the lightning rod main body 1 falls into the lightning rod main body accommodating groove 3, the lightning rod main body 1 falls onto the buffer plate 28, the second control button 30 is pressed down through the buffer plate 28, the second control button 30 is in a triggered state, when the windward plate 5 rotates under the action of wind force and presses the first control button 12 down through the second cam 11, the first control button 12 is in a non-triggered state, when the wind force is weakened, the windward plate 5 is reset under the action of a reset torsion spring, when the second cam 11 does not press down the first control button 12 any more, the first control button 12 is in a triggered state, when the first control button 12 and the second control button 30 are both in the triggered state, the lifting motor 26 is started to lift the lightning rod main body 1 to the reset state until the bottom end of the lightning rod main body 1 rises to the upper end surfaces of the first support plate 14 and the second support plate 15, and the third control button is triggered, the lift motor 26 stops rotating.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a lightning rod device for broadcast television emission tower which characterized in that: the lightning rod device comprises a lightning rod main body, a wind power detection device and a supporting device used for supporting the lightning rod main body, wherein the lightning rod main body and a wind power detection assembly are arranged at the top of a launching tower, a lightning rod main body accommodating groove is formed in the lower side, located on the lightning rod main body, of the launching tower, when the wind power detection device acts under the action of wind power, the wind power detection device drives the supporting device to release the lightning rod main body, the lightning rod main body falls into the lightning rod main body accommodating groove of the launching tower, the wind power detection device comprises an outer sleeve, an ejector rod, a wind direction plate and a windward plate, the outer sleeve is rotatably arranged at the top of the launching tower along the axial direction of the outer sleeve, the ejector rod is slidably arranged in the outer sleeve, a first spring is arranged between the ejector rod and the outer sleeve, when the first spring is in a natural state, the end part of the ejector rod protrudes out of the, the lower extreme of windward plate rotates to be connected on the U-shaped frame, and is provided with the reset torsion spring between windward plate and the U-shaped frame, and the lower extreme of windward plate and the fixed position that the ejector pin is corresponding are provided with first cam, and the tip top of ejector pin is on first cam, and when the windward plate place plane was parallel with the axial direction of outer tube, the contact point distance of first cam and ejector pin was minimum from the center of rotation of first cam, the wind vane is fixed at the middle part of outer tube, just wind vane place plane perpendicular to windward plate place plane, and one side of wind vane is fixed to be set up on the outer tube, and when the windward plate rotated to one side of wind vane, the contact point distance of first cam and ejector pin increased gradually from the center of rotation of first cam.
2. A lightning rod device for a broadcast television transmission tower according to claim 1, characterized in that: the bearing device comprises a limiting sleeve for mounting a lightning rod main body, a transmission assembly for connecting a wind power detection device and a pair of bearing plates which are oppositely arranged, the limiting sleeve is fixedly mounted at the top of a launching tower, the lower part of the lightning rod main body is arranged in the limiting sleeve, when the lightning rod main body is in a state of not falling into a lightning rod main body accommodating groove, the bottom surface of the lightning rod main body is supported on the two bearing plates, a supporting slide way is arranged on the launching tower, the two bearing plates are arranged in the supporting slide way in a sliding manner, the transmission assembly comprises a first gear, a first bevel gear, a second bevel gear and a second gear, the first gear and the first bevel gear are both rotatably arranged on the launching tower through a first connecting shaft, the second gear and the second bevel gear are both rotatably arranged on the launching tower through a second connecting shaft, and the lower end of the ejector rod is provided with a first rack, and the first rack is meshed with the first gear, the axial direction of the first connecting shaft is perpendicular to the axial direction of the ejector rod, the axial direction of the second connecting shaft is parallel to the axial direction of the ejector rod, the first bevel gear is meshed with the second bevel gear, the second racks are arranged at the ends, far away from the lightning rod main body, of the two bearing plates, the second racks on the two bearing plates are meshed with the second gear, the two bearing plates are respectively meshed with the two sides of the second gear, and when the ejector rod moves downwards to a lower limit state, the two bearing plates move to a state that the lightning rod main body is not supported.
3. A lightning rod device for a broadcast television transmission tower according to claim 2, characterized in that: the lightning rod comprises a lightning rod body, and is characterized by further comprising a lifting device, wherein the lifting device comprises two sets of relatively arranged lifting assemblies, each set of lifting assemblies comprises a lifting motor, a connecting steel rope and a pair of one-way damping wheels, the lifting motor is arranged at the lower part of the lightning rod body accommodating groove, the one-way damping wheels are arranged on the upper part of a limiting sleeve, a hoisting drum is arranged on an output shaft of the lifting motor, one end of the connecting steel rope is wound on the hoisting drum, the other end of the connecting steel rope penetrates through the two one-way damping wheels and is connected to the bottom end of the lightning rod body, the two one-way damping wheels extrude the connecting steel rope, and when the connecting steel rope is in a release state, the.
4. A lightning rod device for a broadcast television transmission tower according to claim 3, characterized in that: the inside lower extreme of lightning rod main part holding tank is provided with buffer, buffer includes the buffer board and sets up a plurality of buffer spring in the buffer board lower part, and the upper portion of buffer board is provided with soft buffer material.
5. The lightning rod device for a broadcast television transmission tower according to claim 4, wherein: the lightning rod lifting mechanism comprises a lifting motor, a U-shaped frame, a windward plate, a lightning rod main body containing groove, a buffer plate, a first control button, a second control button and a third control button, wherein the lifting motor is electrically connected with the first control button, the second control button and the third control button; when the bottom end of the lightning rod main body is lifted to the upper end surface of the bearing plate, the third control button is in a triggered state, and the lifting motor is changed from a rotating state to a static state.
6. A lightning rod device for a broadcast television transmission tower according to claim 2, characterized in that: the part of bearing board and lightning rod main part contact is provided with the ball board, ball board and bearing board fixed connection, are provided with a plurality of through-holes on the ball board, all set up a ball in every through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911060403.4A CN110752573B (en) | 2019-11-01 | 2019-11-01 | Lightning rod device for broadcast television transmitting tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911060403.4A CN110752573B (en) | 2019-11-01 | 2019-11-01 | Lightning rod device for broadcast television transmitting tower |
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| CN110752573A CN110752573A (en) | 2020-02-04 |
| CN110752573B true CN110752573B (en) | 2020-08-28 |
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| CN201911060403.4A Active CN110752573B (en) | 2019-11-01 | 2019-11-01 | Lightning rod device for broadcast television transmitting tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002157687A (en) * | 2000-11-20 | 2002-05-31 | Kaoru Abe | Luminous streamer with wind velocity rough standard number and color |
| CN104362037B (en) * | 2014-10-14 | 2018-04-17 | 浙江万可电气设备有限公司 | A kind of two-way current switch |
| CN205123211U (en) * | 2015-10-30 | 2016-03-30 | 国家电网公司 | Transmission of electricity corridor is with multi -functional shaft tower of lightning protection |
| CN108005456B (en) * | 2017-11-28 | 2019-09-17 | 河北峻威铁塔有限公司 | A kind of safety-type communication steel tower with lightning rod safeguard function |
| CN209133695U (en) * | 2018-11-30 | 2019-07-19 | 鸿基通信股份有限公司 | A kind of small size antenna for 5G communication |
| CN110185991A (en) * | 2019-04-25 | 2019-08-30 | 黄志优 | A kind of intelligent sharing lamp stand based on Internet of Things |
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